专利检索 ap:("EXXON CHEMICAL PATENTS INC.") AND inv:"VERSTRATE, Gary William" 第 1 页

1.

发明授权
IMPROVED VISCOSITY MODIFIER POLYMERS 失效
标题翻译： POLYMERVISKOSITÄTSMODIFIZIERUNGSMITTEL

公开(公告)号：EP0585269B1

公开(公告)日：1998-06-24

申请号：EP92909597.4

申请日：1992-03-05

申请人： EXXON CHEMICAL PATENTS INC.

发明人： STRUGLINSKI, Mark, Joseph , VERSTRATE, Gary William , FETTERS, Lewis, John

IPC分类号： C08F8/04 , C10M143/12

CPC分类号： C10M143/12 , C08C19/02 , C08F8/04 , C10M2205/06 , C08F297/00

摘要： The present invention relates to hydrogenated block copolymers of butadiene and at least one other diene, preferably isoprene. The copolymer is hydrogenated and comprises at least 10% by weight of at least one crystallizable segment and at least one low crystallinity segment.